Radeon 625 vs HD 7970 GHz Edition
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | 852 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | no data | 3.92 |
| Architecture | GCN 1.0 (2012−2020) | GCN 3.0 (2014−2019) |
| GPU code name | Tahiti | Polaris 24 |
| Market segment | Desktop | Laptop |
| Design | reference | no data |
| Release date | 22 June 2012 (13 years ago) | 13 May 2019 (6 years ago) |
| Launch price (MSRP) | $499 | no data |
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 2048 | 384 |
| Core clock speed | no data | 730 MHz |
| Boost clock speed | 1050 MHz | 1024 MHz |
| Number of transistors | 4,313 million | 1,550 million |
| Manufacturing process technology | 28 nm | 28 nm |
| Power consumption (TDP) | 250 Watt | 50 Watt |
| Texture fill rate | 134.4 | 24.58 |
| Floating-point processing power | 4.301 TFLOPS | 0.7864 TFLOPS |
| ROPs | 32 | 8 |
| TMUs | 128 | 24 |
| L1 Cache | 512 KB | 96 KB |
| L2 Cache | 768 KB | 128 KB |
Form factor & compatibility
Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
| Bus support | PCIe 2.1 x16 | no data |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x8 |
| Length | 274 mm | no data |
| Width | 2-slot | no data |
| Supplementary power connectors | 1x 6-pin + 1x 8-pin | None |
VRAM capacity and type
Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.
| Memory type | GDDR5 | DDR3 |
| Maximum RAM amount | 3 GB | 2 GB |
| Memory bus width | 384 Bit | 64 Bit |
| Memory clock speed | 1500 MHz | 900 MHz |
| Memory bandwidth | 288 GB/s | 14.4 GB/s |
| Shared memory | - | - |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | 1x DVI, 1x HDMI, 2x mini-DisplayPort | No outputs |
| Eyefinity | + | - |
| HDMI | + | - |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| CrossFire | + | - |
| FreeSync | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | DirectX® 11 | 12 (12_0) |
| Shader Model | 5.1 | 6.3 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | - | 1.2.131 |
Pros & cons summary
| Recency | 22 June 2012 | 13 May 2019 |
| Maximum RAM amount | 3 GB | 2 GB |
| Power consumption (TDP) | 250 Watt | 50 Watt |
HD 7970 GHz Edition has a 50% higher maximum VRAM amount.
Radeon 625, on the other hand, has an age advantage of 6 years, and 400% lower power consumption.
We couldn't decide between Radeon HD 7970 GHz Edition and Radeon 625. We've got no test results to judge.
Be aware that Radeon HD 7970 GHz Edition is a desktop graphics card while Radeon 625 is a notebook one.
Other comparisons
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